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White #10 business envelopes, vellum finish, diagonal seam, box of 500

WESTERN STATES

WESTERN STATES #10 Envelope 4-1/8" x 9-1/2" 28# White Diagonal Seam No Window Box of 500

SKU CH-1V8S-Y209W

Standard #10 business envelopes measuring 4.125" x 9.5" with 28# white sulphite paper, 92% brightness, vellum finish, diagonal seam construction and no window, supplied in a 500-count box

  • Standard #10 size fits typical business correspondence
  • 28# white sulphite stock provides crisp professional feel
  • SFI certified paper supports responsible forestry practices
  • 92% brightness ensures high contrast for printed text
  • Box of 500 envelopes supplies high-volume mailing needs

Business correspondence envelope

This #10 envelope measures 4.125 x 9.5 inches and uses 28-pound white sulphite paper with a vellum finish. The diagonal seam construction and remoistening seal suit everyday mailing tasks. A box contains 500 envelopes weighing 8.5 pounds total.

Capacity and headroom

The 500-count box supports high-volume office mailing without frequent reordering. Each envelope handles standard letter-size documents folded to fit the 4.125-inch width. Heavier multi-page inserts may exceed the 28-pound paper's tear resistance.

Postal standard limits

The #10 size meets standard business mail dimensions for automated processing equipment. The 92% brightness level ensures reliable barcode and address readability by sorting machines. No window design means addresses must be printed or written directly on the envelope face.

Highlights

  • Standard #10 size fits typical business correspondence
  • 28# white sulphite stock provides crisp professional feel
  • SFI certified paper supports responsible forestry practices
  • 92% brightness ensures high contrast for printed text
  • Box of 500 envelopes supplies high-volume mailing needs

Specifications

BrandThe Envelope Supplies Shop

Questions about this item

Will #10 envelopes feed reliably through my older laser printer?

The 28 lb sulphite stock and diagonal seam are standard for #10 size, so most legacy laser and inkjet trays handle the 4.125 x 9.5 inch sheets without misfeeds.

How can I confirm the brightness matches the 92 % spec after opening the box?

Hold a sheet under daylight next to a known 92 % brightness reference; the white sulphite vellum finish should appear visually identical.

Does the box of 500 include any moisture-activated seal strips or must I buy them separately?

Each envelope already has a remoistening seal on the flap; no extra adhesive or sealing strips are required.

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